Aldisidae Odhner, 1939 accepted as Cadlinidae Bergh, 1891 (source of synonymy)
Alectonidae Rosell, 1996 accepted as Thoosidae Cockerell, 1925 (source of synonymy)
Amoria damoni Gray, 1864 (basis of record)
Ancylomenes Okuno & Bruce, 2010 (verified source for family)
Ancylomenes Okuno & Bruce, 2010 (extant flag source)
Ancylomenes Okuno & Bruce, 2010 (name verified source)
Ancylomenes Okuno & Bruce, 2010 (basis of record)
Ancylomenes Okuno & Bruce, 2010 (current name source)
Appendicularia Fol, 1874 (current name source)
Archiacasta Kolbasov, 1993 (name verified source)
Arielia Shasky, 1961 (verified source for family)
Ariella Bandel, 1998 accepted as Sinezona Finlay, 1926 (extant flag source)
Ariella pauperata (Powell, 1933) (extant flag source)
Auloplacidae Schrammen, 1912 (extant flag source)
Auloplacidae Schrammen, 1912 (current name source)
Auloplacidae Schrammen, 1912 (habitat flag source)
Auloplacidae Schrammen, 1912 (basis of record)
Auloplax Schulze, 1904 (verified source for family)
Axiopsis australiensis de Man, 1925 accepted as Michelaxiopsis australiensis (De Man, 1925) (source of synonymy)
Belluloporidae Ostrovsky, 2013 (basis of record)
Cadlinidae Bergh, 1891 (basis of record)
Cadlinidae Bergh, 1891 (habitat flag source)
Cadlinidae Bergh, 1891 (extant flag source)
Cadlinidae Bergh, 1891 (current name source)
Carybdeida (habitat flag source)
Carybdeida (extant flag source)
Carybdeida (current name source)
Caymanostellidae Belyaev, 1974 (current name source)
Cebocaridae Lowry & Stoddart, 2011 (basis of record)
Chiltoniidae J.L. Barnard, 1972 (basis of record)
Chiltoniidae J.L. Barnard, 1972 (current name source)
Chiltoniidae J.L. Barnard, 1972 (extant flag source)
Chirodropida (current name source)
Chirodropida (extant flag source)
Chirodropida (habitat flag source)
Chuneolidae Woltereck, 1909 (basis of record)
Chuneolidae Woltereck, 1909 (current name source)
Citharistaceae Kofoid & Skogsberg, 1928 accepted as Dinophysaceae Bütschli, 1885 (basis of record)
Clarkiella Heding in Heding & Panning, 1954 accepted as Oloughlinia Kroh, Gaudin & Reich, 2022 (verified source for family)
Cubomedusae accepted as Carybdeida (extant flag source)
Cubomedusae accepted as Carybdeida (habitat flag source)
Cyclocaridae Lowry & Stoddart, 2011 (basis of record)
Cyclonidea Laseron, 1956 (verified source for family)
Cystactinia Brooks, 1964 † (habitat flag source)
Dactylapta Clark, 1908 (verified source for family)
Dallicordiidae Scarlato & Starobogatov, 1983 accepted as Lyonsiellidae Dall, 1895 (habitat flag source)
Dallicordiidae Scarlato & Starobogatov, 1983 accepted as Lyonsiellidae Dall, 1895 (extant flag source)
Dallicordiidae Scarlato & Starobogatov, 1983 accepted as Lyonsiellidae Dall, 1895 (source of synonymy)
Dallicordiidae Scarlato & Starobogatov, 1983 accepted as Lyonsiellidae Dall, 1895 (basis of record)
Dogielinotidae Gurjanova, 1953 (current name source)
Echinochilidae Odhner, 1968 accepted as Cadlinidae Bergh, 1891 (extant flag source)
Echinochilidae Odhner, 1968 accepted as Cadlinidae Bergh, 1891 (habitat flag source)
Echinochilidae Odhner, 1968 accepted as Cadlinidae Bergh, 1891 (source of synonymy)
Echinochilidae Odhner, 1968 accepted as Cadlinidae Bergh, 1891 (basis of record)
Euacasta Kolbasov, 1993 (verified source for family)
Euacasta Kolbasov, 1993 (name verified source)
Euacasta Kolbasov, 1993 (current name source)
Fenestrosyrinx Finlay, 1926 accepted as Taranis Jeffreys, 1870 (verified source for family)
Flustridae Fleming, 1828 (basis of record)
Fossatrivia Iredale, 1931 accepted as Ellatrivia Cotton & Godfrey, 1932 (verified source for family)
Frenulina Dall, 1895 (verified source for family)
Frenulinidae Hatai, 1938 (current name source)
Fritillaria Fol, 1872 (current name source)
Glyphostomoides Shuto, 1983 (verified source for family)
Gymnodiniaceae Lankester, 1885 (basis of record)
Gymnodiniaceae Lankester, 1885 (current name source)
Hermundura Müller, 1858 (verified source for family)
Hyalellidae Bulycheva, 1957 (basis of record)
Hyalellidae Bulycheva, 1957 (source of synonymy)
Hyalidae Bulycheva, 1957 (current name source)
Hyalidae Bulycheva, 1957 (basis of record)
Inozoida (current name source)
Jolonica Dall, 1920 (verified source for family)
Korethrasteridae Danielssen & Koren, 1884 (current name source)
Lanceolidae Bovallius, 1887 (current name source)
Lanceolidae Bovallius, 1887 (basis of record)
Laqueidae Hatai, 1965 (current name source)
Latigammaropsis Myers, 2009 (name verified source)
Latigammaropsis Myers, 2009 (basis of record)
Latigammaropsis Myers, 2009 (current name source)
Lelapiella Vacelet, 1977 (extant flag source)
Lelapiella Vacelet, 1977 (verified source for family)
Lelapiella Vacelet, 1977 (habitat flag source)
Lelapiellidae Borojevic, Boury-Esnault & Vacelet, 1990 (extant flag source)
Lelapiellidae Borojevic, Boury-Esnault & Vacelet, 1990 (basis of record)
Leucosolenida (habitat flag source)
Leucosolenida (extant flag source)
Leucosolenida (current name source)
Leucosoleniida accepted as Leucosolenida (extant flag source)
Leucosoleniida accepted as Leucosolenida (habitat flag source)
Lymnaea Lamarck, 1799 (current name source)
Lyonsiellidae Dall, 1895 (current name source)
Lyonsiellidae Dall, 1895 (extant flag source)
Lyonsiellidae Dall, 1895 (habitat flag source)
Lyonsiellidae Dall, 1895 (basis of record)
Marianina Pruvot-Fol, 1931 (verified source for family)
Marioniopsis Odhner, 1934 (verified source for family)
Megalanceolidae Zeidler, 2009 (basis of record)
Megalanceolidae Zeidler, 2009 (current name source)
Metalanceolidae Zeidler, 2009 (current name source)